Analysis case: Measurement example of thermal insulation evaluation by thermal conductivity measurement.

This is an introduction to a case study of insulation material analysis by a specialist in analysis. This time, we will present a measurement case using a thermal conductivity measurement device.

Measurement capabilities offered by TA Instruments ☆ Thermal analysis / glass transition, crystallization, thermogravimetric analysis, curing reactions, expansion rate, thermal conductivity, shrinkage rate, effects of moisture, etc. ☆ Viscoelastic measurements (rheology) / viscoelasticity, elastic modulus, viscosity, stress relaxation, creep, master curve, residual strain, molecular weight, molecular weight distribution, etc. ☆ Microcalorimetry / intermolecular interactions, crystallization, amorphousness, aggregation/precipitation, dispersibility, solubility, compatibility, wettability, stability, adsorption, etc. ☆ Fatigue testing / tensile strength, temperature dependence, viscoelasticity, elastic modulus, viscosity, stress relaxation, creep, master curve, residual strain, etc.

basic information

This time, TA Instruments introduces a thermal conductivity measurement device called "FOX." In this article, we will present a case study on the anisotropic evaluation of the R-value (thermal resistance value) of insulation boards as an analysis related to insulation materials. ◆ Anisotropic Evaluation of the R-value (Thermal Resistance Value) of Insulation Boards Insulation boards are materials used in various places, such as the walls of houses. In fact, the insulation effect of these boards changes when the board is laid horizontally compared to when it is stood vertically. Our thermal conductivity measurement device, FOX, shows the thermal resistance values of the insulation board when laid flat and when stood upright.

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Applications/Examples of results

The FOX is packed with advanced knowledge and over 20 years of excellent technology. Please make use of our thermal conductivity testing device, FOX. The thermal conductivity of a sample is determined by measuring the heat flux, the thickness of the specimen, and the temperature difference of the specimen. With each component of the heat conduction equation, the FOX device provides highly accurate measurements, a resolution of 0.6mV in the integrated high-output heat flux transducer, thickness measurements with an accuracy of 0.001 inches, and temperature control and resolution of 0.01°C. These individual measurements demonstrate higher accuracy than any other currently used methods for thermal conductivity measurement. By combining these, it provides the most accurate results among the heat flow meters available today. By using our high-precision calibration standard mode, the FOX device can exceed the necessary guard hot plates, which often takes a considerable amount of time and requires the operator's involvement.